There are 27 EU countries.
there are23
In 2005, there were 25 countries in the EU.
The EU is an organisation, not a nation. As of 2015, it has 28 independent countries that are members of it.
If you mean how many countries in the EU use the EU currency, the Euro, the answer is 17.
84
27 Countries were part of the EU in 1957! NOPE! there ARE NOW 27 countries there were not 27 back then!
EU, I think means euro, like the currency of Europe €
There are no Asian countries in the EU.
27 countries were members of the European Union in 2010.
Many countries in Europe are not members of the EU. Most notable for declining in membership in votes amongst their citizens has been Norway.
Actually, it was in 2004. The following countries joined the EU.CyprusCzech RepublicHungaryEstoniaLatviaLithuaniaMaltaPolandSloveniaSlovakia